Format check JS

let util = {};

//  take json Format to echart data Format 
util.jsonToList = function jsonToList(json) {
    if (json) {
        return Object.keys(json).map(key => {
            return {
                name: key,
                value: json[key]
            };
        });
    }
};
//  Mobile phone number format verification 
util.validatephone = function (rule, value, callback, mag, msg) {
    if (!value) {
        return callback(new Error(' Mobile phone number cannot be empty '));
    } else if (!/^1[1|2|3|4|5|6|7|8|9][0-9]\d{8}$/.test(value)) {
        return callback(new Error(' Mobile phone number input error '));
    } else {
        callback();
    }
};
//  Mailbox format verification 
util.validatemail = function (rule, value, callback, mag, msg) {
    if (!value) {
        return callback(new Error(' Mailbox cannot be empty '));
    } else if (!(/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(value))) {
        return callback(new Error(' Mailbox input error '));
    } else {
        callback();
    }
};
util.singleValidIP = function (str) {
    //  IP Address legal verification :  exclude  0.0.0.0;  exclude  255.255.255.255;  Support interval entry 
    let reg = /^((25[0-5]|2[0-4]\d|[1]{1}\d{1}\d{1}|[1-9]{1}\d{1}|\d{1})($|(?!\.$)\.)){4}$/;
    let regS = /^((25[0-5]|2[0-4]\d|[1]{1}\d{1}\d{1}|[1-9]{1}\d{1}|\d{1})($|(?!\.$)\.))$/;
    let regZ = /(^0{1,3}(\.0{1,3}){3}$)/;
    let regM = /(^255(\.255){3}$)/;
    if (/([-])/.test(str)) {
        //  Support interval entry 
        let arr = str.split('-');
        if (arr.length === 2) {
            return reg.test(arr[0]) && regS.test(arr[1]);
        } else {
            return false;
        }
    } else {
        return reg.test(str) && !regZ.test(str) && !regM.test(str);
    }
};
util.getSessionStorage = function (key) {
    if (sessionStorage.getItem(key)) {
        let data = sessionStorage.getItem(key);
        try {
            return JSON.parse(data);
        } catch (e) {
            return data;
        }
    }
    return '';
}
util.setSessionStorage = function (key, data) {
    if (typeof data === 'undefined') {
        data = '';
    }
    data = JSON.stringify(data);
    sessionStorage.setItem(key, data);
}
util.removeStorageData = function (key) {
    sessionStorage.removeItem(key);
}
// // obtain url In the parameter 
util.getUrlParam = function (name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
    var r = window.location.search.substr(1).match(reg);
    if (r != null) return decodeURI(r[2]);
    return null;
}
export default util;